Every figure on this page, and where it came from

Each claim carries a named publisher, a publication date, and the date we next check it against a newer edition. If a figure is not listed here, it is not used on this site.

Evidence register

Sources for statistics used across The MBS Group website. Last reviewed August 2026.
Claim Source Published Review by
964,000 workers with work-related stress, depression or anxiety, 2024/25 HSE, Health and Safety Statistics Nov 2025 Nov 2026
22.1m working days lost; 52% of ill health, 62% of days lost HSE, Health and Safety Statistics Nov 2025 Nov 2026
511,000 work-related MSD cases; 7.1m days lost HSE, Health and Safety Statistics Nov 2025 Nov 2026
Notice of Contravention served re: work-related stress management HSE enforcement action Dec 2025 Ongoing
£51bn annual cost to UK employers; £24bn presenteeism Deloitte, Mental Health and Employers May 2024 Next edition
£4.70 return per £1 invested Deloitte, Mental Health and Employers May 2024 Next edition
9.4 average sick days per employee CIPD/Simplyhealth, Health and Wellbeing at Work Sept 2025 Sept 2027 (biennial)
Mental ill health top cause of long-term absence (41%) CIPD/Simplyhealth, Health and Wellbeing at Work Sept 2025 Sept 2027
64% act on stress, 50% think it effective CIPD/Simplyhealth, Health and Wellbeing at Work Sept 2025 Sept 2027

Primary sources: HSE statistics · CIPD health and wellbeing at work · Deloitte, mental health and employers series.

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